Allibone, S.A. Critical dict. of English lit., 1858-1870, via Rarebooks.Info WWW site, Oct. 20, 2008 (Hazlitt, William Carew, son of Hazlitt, William, Jr., of the Middle Temple)
Blount, T. Tenures of land and customs of manors, 1874 t.p. (W. Carew Hazlitt, of the Inner Temple, barrister at law)